Page 60 of 136

90
180
B08307
B08311
B08312
Plug
GasketOverflow Screw
Ball Spring 14±20
± ENGINE MECHANICALPARTIAL ENGINE ASSY (1CD±FTV)
1CD±FTV ENGINE REPAIR MANUAL (RM927E)
50. INSTALL NOZZLE LEAKAGE PIPE ASSY
(a) Place the leakage pipe and 5 new gaskets.
NOTICE:
Do the installation of the gasket craw within the angle
range shown in the illustration.
(b) Apply a light coat of oil onto 4 hollow screws and union
bolt.
(c) Tighten the 4 hollow screws and union bolt by hand.
(d) Tighten the 4 hollow screws and union bolt.
Torque:
Hollow screw 18 Nm (184 kgfcm, 13 ftlbf)
Union bolt 22 Nm (224 kgfcm, 16 ftlbf)
(e) Check that there is no leak from nozzle leakage pipe con-
nection.
(1) Disconnect the fuel hose, and remove the check
valve, No. 2 nozzle leakage pipe and gasket.
(2) Purchase a new check valve.
HINT:
Part No. 23122±27010
(3) Remove the plug, gasket, spring and ball.
(4) Install the plug with the gasket to the overflow
screw.
Torque: 9.8 Nm (100 kgfcm, 7 ft.lbf)
(5) Install the No. 2 nozzle leakage pipe and gasket
with the check valve to the cylinder head.
Torque: 21 Nm (214 kgfcm, 15 ftlbf)
(6) Apply a light coat of soapy water (any fluid to detect
fuel leakage) on the nozzle leakage pipe connec-
tion.
Page 61 of 136

A56050
New Gasket
Union Bolt
Hollow
Screw
SST
No. 2 Nozzle
Leakage Pipe
Check
Valve
New Gasket
B08328
Check
ValveNo. 2 Nozzle
Leakage Pipe
New Gasket
A09663
: Seal Packing
± ENGINE MECHANICALPARTIAL ENGINE ASSY (1CD±FTV)
14±21
1CD±FTV ENGINE REPAIR MANUAL (RM927E)
(7) Using SST (turbocharger pressure gauge), apply
the SST to the fuel return side of the No. 2 nozzle
leakage pipe, and maintain 100 kPa (1 kgf/cm
2,
14.5 psi) of pressure for 600 seconds to check that
there are no bubbles from the soap±applied places.
SST 09992±00242
(8) After checking fuel leaks, wipe off soapy water from
nozzle leakage pipe connection.
(9) Remove SST, check valve, No. 2 nozzle leakage
pipe and gasket.
(10) Reinstall the No. 2 nozzle leakage pipe and a new
gasket with the check valve.
Torque: 21 Nm (214 kgfcm, 15 ftlbf)
HINT:
Never reinstall the disassembled check valve on the engine.
(11) Reconnect the fuel hose to the No. 2 nozzle leak-
age pipe.
51. INSTALL CYLINDER HEAD COVER SUB±ASSY
(a) Remove any old packing (FIPG) material.
(b) Apply seal packing to the cylinder head.
Seal packing: Part No. 08826±00080 or equivalent
(c) Install the gasket to the head cover.
(d) Install the cylinder head cover with 10 bolts.
Torque: 13 Nm (135 kgfcm, 10 ftlbf)
(e) Install 4 new nozzle holder seals.
Page 63 of 136
140DR±03
A56671
SST
A62594
SST
A09561
A09676
± ENGINE MECHANICALCYLINDER HEAD ASSY (1CD±FTV)
14±23
1CD±FTV ENGINE REPAIR MANUAL (RM927E)
OVERHAUL
1. REMOVE VALVE LIFTER
HINT:
Arrange the valve lifters in the correct order.
2. REMOVE INTAKE VALVE
(a) Using SST, compress the valve spring and remove the 2
keepers.
SST 09202±70020 (09202±00010)
(b) Remove the spring retainer, valve spring and valve.
3. REMOVE EXHAUST VALVE
(a) Using SST, compress the valve spring and remove the 2
keepers.
SST 09202±70020 (09202±00010)
(b) Remove the spring retainer, valve spring and valve.
4. REMOVE VALVE STEM OIL O SEAL OR RING
(a) Using needle±nose pliers, remove the oil seal.
5. REMOVE VALVE SPRING SEAT PLATE WASHER
(a) Using compressed air and a magnetic finger, remove the
spring seat by blowing air.
HINT:
Arrange the valves, valve springs, spring seats and spring re-
tainers in the correct order.
Page 64 of 136
A62595
A56049
Cylinder Block Side
Intake Manifold Side
Exhaust Manifold Side
A09534
14±24
± ENGINE MECHANICALCYLINDER HEAD ASSY (1CD±FTV)
1CD±FTV ENGINE REPAIR MANUAL (RM927E)
6. REMOVE SEMICIRCULAR PLUG
7. REMOVE W/HEAD TAPER SCREW PLUG NO.1
(a) Using a hexagon wrench (6mm), remove the 3 plugs.
SST 99999±70037
8. INSPECT CYLINDER HEAD FOR FLATNESS
(a) Using a precision straight edge and feeler gauge, mea-
sure the surfaces contacting the cylinder block and the
manifolds for warpage.
Maximum warpage:
Cylinder block side0.08mm (0.0031in.)
Intake manifold side0.20mm (0.0079in.)
Exhaust manifold side0.20mm (0.0079in.)
9. INSPECT CYLINDER HEAD FOR CRACKS
(a) Using dye penetrant, check the intake ports, exhaust
ports and cylinder block contact surface for cracks.
Page 67 of 136
A56674
SST
A56675
SST
± ENGINE MECHANICALCYLINDER HEAD ASSY (1CD±FTV)
14±27
1CD±FTV ENGINE REPAIR MANUAL (RM927E)
(b) Subtract the valve stem diameter measurement from the
guide bushing inside diameter measurement.
Standard oil clearance:
Intake0.025 ± 0.060 mm (0.0010 ± 0.0024 in.)
Exhaust0.035 ± 0.070 mm (0.0014 ± 0.0028 in.)
Maximum oil clearance:
Intake0.08 mm (0.0031 in.)
Exhaust0.10 mm (0.0039 in.)
14. REMOVE INTAKE VALVE GUIDE BUSH
(a) Heat the cylinder head to 80 ± 100C (176 ± 212F).
(b) Using SST and a hammer, tap out the guide bushing.
SST 09201±10000 (09201±01060), 09950±70010
(09951±07100)
15. REMOVE EXHAUST VALVE GUIDE BUSH
(a) Heat the cylinder head to 80 ± 100C (176 ± 212F).
(b) Using SST and a hammer, tap out the guide bushing.
SST 09201±10000 (09201±01060), 09950±70010
(09951±07100)
Page 72 of 136

A09550
A09551
A09552
A09546
Plastigage
A09557
14±32
± ENGINE MECHANICALCYLINDER HEAD ASSY (1CD±FTV)
1CD±FTV ENGINE REPAIR MANUAL (RM927E)
23. INSPECT CAMSHAFT
(a) Inspect the circle runout.
(1) Place the camshaft on V±blocks.
(2) Using a dial indicator, measure the circle runout at
the center journal.
Maximum circle runout: 0.06 mm (0.0024 in.)
If the circle runout is greater then maximum, replace the cam-
shaft.
(b) Using a micrometer, measure the cam lobe height.
Standard cam lobe height:
Intake46.57 ± 46.67 mm (1.8335 ± 1.8374 in.)
Exhaust47.52 ± 47.62 mm (1.8709 ± 1.8748 in.)
Minimum cam lobe height:
Intake46.10 mm (1.8150 in.)
Exhaust47.05 mm (1.8524 in.)
If the cam lobe height is less than minimum, replace the cam-
shaft.
(c) Using a micrometer, measure the journal diameter.
Journal diameter:
26.969 ± 26.985 mm (1.0618 ± 1.0624 in.)
If the journal diameter is not as specified, check the oil clear-
ance.
24. INSPECT CAMSHAFT OIL CLEARANCE
(a) Clean the bearing caps and camshaft carrier.
(b) Check the bearings for flaking and scoring.
If the bearings are damaged, replace the bearing caps, cam-
shaft carrier and cylinder head as a set.
(c) Place the camshaft carrier and camshafts on the cylinder
head.
(d) Lay a strip of Plastigage across each of the camshaft jour-
nals.
(e) Install the bearing caps.
Torque: 20 Nm (200 kgfcm, 15 ftlbf)
NOTICE:
Do not turn the camshaft.
(f) Remove the bearing caps.
Page 73 of 136

A09547
A09545
A09548
± ENGINE MECHANICALCYLINDER HEAD ASSY (1CD±FTV)
14±33
1CD±FTV ENGINE REPAIR MANUAL (RM927E)
(g) Measure the Plastigage at its widest point.
Standard oil clearance:
0.025 ± 0.062 mm (0.0010 ± 0.0024 in.)
Maximum oil clearance: 0.08 mm (0.0031 in.)
If the oil clearance is greater than maximum, replace the cam-
shaft. if necessary, replace the bearing caps, camshaft carrier
and cylinder head as a set.
(h) Completely remove the Plastigage.
25. INSPECT CAMSHAFT THRUST CLEARANCE
(a) Install the camshaft.
(b) Using a dial indicator, measure the thrust clearance while
moving the camshaft back and forth.
Standard thrust clearance:
0.035 ± 0.110 mm (0.0014 ± 0.0043 in.)
If the thrust clearance is not as specified, replace the camshaft.
If necessary, replace the bearing caps, camshaft carrier and
cylinder head as a set.
26. INSPECT CAMSHAFT GEAR BACKLASH
(a) Install the camshafts.
(b) Using a dial indicator, measure the backlash.
Standard backlash:
0.014 ± 0.070 mm (0.0006 ± 0.0028 in.)
Maximum backlash: 0.17 mm (0.0067 in.)
If the backlash is greater then maximum, replace the cam-
shafts.
Page 80 of 136

140DS±02
A09477
A09488
A09492
A09494
Plastigage
14±40
± ENGINE MECHANICALCYLINDER BLOCK (1CD±FTV)
1CD±FTV ENGINE REPAIR MANUAL (RM927E)
OVERHAUL
1. INSPECT CONNECTING ROD THRUST CLEARANCE
(a) Using a dial indicator, measure the thrust clearance while
moving the connecting rod back and forth.
Standard thrust clearance:
0.08 ± 0.30 mm (0.0031 ± 0.0118 in.)
Maximum thrust clearance: 0.40 mm (0.0157 in.)
If the thrust clearance is greater then maximum, replace the
connecting rod assembly(s). If necessary, replace the crank-
shaft.
2. INSPECT CONNECTING ROD OIL CLEARANCE
(a) Check the matchmarks on the connecting rod and cap to
ensure correct reassembly.
(b) Remove the 2 connecting rod cap bolts.
(c) Using 2 removed connecting rod cap bolts, remove the
connecting rod cap and lower bearing by wiggling the
connecting rod cap right and left.
HINT:
Keep the lower bearing inserted with the connecting rod cap.
(d) Clean the crank pin and bearing.
(e) Check the crank pin and bearing for pits and scratches.
If the crank pin or bearing is damaged, replace the bearings. If
necessary, replace the crankshaft.
(f) Lay a strip of plastigage across the crank pin.